/* PageCoder RAG Chat — frontend widget. Scoped under .pcrag-* */

.pcrag-root {
  --pcrag-bg: #ffffff;
  --pcrag-fg: #1d2327;
  --pcrag-muted: #646970;
  --pcrag-border: #dcdcde;
  --pcrag-primary: #2271b1;
  --pcrag-primary-fg: #ffffff;
  --pcrag-bubble-user-bg: #2271b1;
  --pcrag-bubble-user-fg: #ffffff;
  --pcrag-bubble-bot-bg: #f0f0f1;
  --pcrag-bubble-bot-fg: #1d2327;
  --pcrag-error: #d63638;
  --pcrag-radius: 12px;
  --pcrag-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 14px;
  line-height: 1.5;
}

/* --- Button --- */

.pcrag-button {
  position: fixed;
  bottom: 24px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--pcrag-primary);
  color: var(--pcrag-primary-fg);
  border: none;
  cursor: pointer;
  box-shadow: var(--pcrag-shadow);
  z-index: 999999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.15s ease;
}
.pcrag-button:hover { transform: scale(1.05); }
.pcrag-button:focus-visible { outline: 3px solid var(--pcrag-primary); outline-offset: 3px; }
.pcrag-button svg { width: 28px; height: 28px; display: block; }

.pcrag-root[data-position="bottom-right"] .pcrag-button { right: 24px; }
.pcrag-root[data-position="bottom-left"] .pcrag-button { left: 24px; }

/* --- Panel --- */

.pcrag-panel {
  position: fixed;
  bottom: 96px;
  width: 380px;
  max-width: calc(100vw - 32px);
  height: 560px;
  max-height: calc(100vh - 120px);
  background: var(--pcrag-bg);
  color: var(--pcrag-fg);
  border-radius: var(--pcrag-radius);
  box-shadow: var(--pcrag-shadow);
  display: none;
  flex-direction: column;
  overflow: hidden;
  z-index: 999999;
  border: 1px solid var(--pcrag-border);
}
.pcrag-root[data-position="bottom-right"] .pcrag-panel { right: 24px; }
.pcrag-root[data-position="bottom-left"] .pcrag-panel { left: 24px; }
.pcrag-root.pcrag-open .pcrag-panel { display: flex; }

/* --- Header --- */

.pcrag-header {
  padding: 12px 16px;
  background: var(--pcrag-primary);
  color: var(--pcrag-primary-fg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}
.pcrag-header-left {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}
.pcrag-header-logo {
  height: 24px;
  width: auto;
  flex-shrink: 0;
  border-radius: 4px;
}
.pcrag-header strong { font-size: 15px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pcrag-header-right {
  display: flex; align-items: center; gap: 2px; flex-shrink: 0;
}
.pcrag-new-chat {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: inherit;
  cursor: pointer;
  padding: 3px 10px;
  border-radius: 6px;
  font-family: ui-monospace, "SF Mono", Consolas, monospace;
  font-size: 11.5px;
  line-height: 1.4;
  opacity: 0.75;
  transition: opacity 0.15s, background 0.15s, border-color 0.15s;
  white-space: nowrap;
}
.pcrag-new-chat:hover { opacity: 1; background: rgba(255,255,255,0.15); border-color: rgba(255,255,255,0.5); }
.pcrag-close {
  background: transparent;
  border: none;
  color: inherit;
  cursor: pointer;
  font-size: 22px;
  line-height: 1;
  padding: 4px 8px;
  border-radius: 4px;
  flex-shrink: 0;
}
.pcrag-close:hover { background: rgba(255,255,255,0.15); }

/* --- Service notice bar --- */

.pcrag-notice {
  padding: 10px 14px;
  background: #fcf0f0;
  color: #8a1919;
  font-size: 13px;
  text-align: center;
  border-bottom: 1px solid #f0d4d4;
  flex-shrink: 0;
}

/* --- Messages --- */

.pcrag-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.pcrag-msg {
  max-width: 85%;
  padding: 10px 14px;
  border-radius: var(--pcrag-radius);
  word-wrap: break-word;
  white-space: pre-wrap;
}
.pcrag-msg-user {
  align-self: flex-end;
  background: var(--pcrag-bubble-user-bg);
  color: var(--pcrag-bubble-user-fg);
  border-bottom-right-radius: 4px;
}
.pcrag-msg-bot {
  align-self: flex-start;
  background: var(--pcrag-bubble-bot-bg);
  color: var(--pcrag-bubble-bot-fg);
  border-bottom-left-radius: 4px;
}
/* --- Status bubble (searching / generating) --- */

.pcrag-msg-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--pcrag-muted);
  background: var(--pcrag-bubble-bot-bg);
}
.pcrag-status-icon {
  width: 16px; height: 16px;
  border: 2px solid var(--pcrag-primary);
  border-top-color: transparent;
  border-radius: 50%;
  animation: pcrag-spin 0.8s linear infinite;
}
@keyframes pcrag-spin { to { transform: rotate(360deg); } }
.pcrag-status-text { font-style: italic; }

/* --- Typewriter cursor --- */

.pcrag-cursor {
  font-weight: 100;
  color: var(--pcrag-primary);
  animation: pcrag-blink 0.6s step-end infinite;
}
@keyframes pcrag-blink { 50% { opacity: 0; } }
.pcrag-msg-error {
  align-self: stretch;
  background: transparent;
  color: var(--pcrag-error);
  font-size: 13px;
  text-align: center;
  padding: 4px;
}

.pcrag-msg a { color: inherit; text-decoration: underline; }
.pcrag-msg code {
  background: rgba(0,0,0,0.08);
  padding: 1px 5px;
  border-radius: 3px;
  font-family: ui-monospace, "SF Mono", Consolas, monospace;
  font-size: 12.5px;
}
.pcrag-msg-user code { background: rgba(255,255,255,0.18); }
.pcrag-citation {
  color: var(--pcrag-primary) !important;
  text-decoration: none !important;
  font-weight: 600;
  cursor: pointer;
}
.pcrag-citation:hover { text-decoration: underline !important; }
.pcrag-msg pre {
  background: #1d2327; color: #f0f0f1; padding: 10px 12px;
  border-radius: 6px; overflow-x: auto; font-size: 12px; margin: 6px 0;
  white-space: pre;
}
.pcrag-msg pre code { background: transparent; padding: 0; color: inherit; font-size: inherit; }
.pcrag-msg table { border-collapse: collapse; font-size: 12.5px; margin: 6px 0; width: 100%; }
.pcrag-msg th, .pcrag-msg td { border: 1px solid var(--pcrag-border); padding: 4px 8px; text-align: left; }
.pcrag-msg th { background: rgba(0,0,0,0.04); font-weight: 600; }
.pcrag-msg ul, .pcrag-msg ol { margin: 4px 0; padding-left: 18px; }
.pcrag-msg li { margin: 2px 0; }
.pcrag-msg h3, .pcrag-msg h4, .pcrag-msg h5, .pcrag-msg h6 { margin: 8px 0 4px; font-size: 13.5px; font-weight: 600; }
.pcrag-msg hr { border: none; border-top: 1px solid var(--pcrag-border); margin: 8px 0; }

/* --- Sources --- */

.pcrag-sources {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--pcrag-border);
  font-size: 12px;
  color: var(--pcrag-muted);
  white-space: normal;
}
.pcrag-sources strong { display: block; margin-bottom: 4px; }
.pcrag-sources a { display: flex; flex-wrap: nowrap; flex-direction: row; align-content: flex-start; justify-content: flex-start; align-items: center; color: var(--pcrag-primary); text-decoration: none; padding: 4px 4px; }
.pcrag-sources a:hover { text-decoration: underline; }

.pcrag-source-cards { display: flex; flex-direction: column; gap: 6px; margin-top: 6px; }
.pcrag-source-card {
  display: flex; flex-direction: row; align-items: center; gap: 10px; padding: 6px;
  border: 1px solid var(--pcrag-border); border-radius: 8px;
  background: var(--pcrag-bg); color: var(--pcrag-fg);
  text-decoration: none !important; transition: border-color 0.15s, background 0.15s;
  cursor: pointer;
}
.pcrag-source-card:hover { border-color: var(--pcrag-primary); background: #f8f9fa; }
.pcrag-source-thumb {
  width: 44px; height: 44px; min-width: 44px;
  border-radius: 6px; object-fit: cover; flex-shrink: 0;
  background: var(--pcrag-border);
  display: block;
}
.pcrag-source-body { display: flex; flex-direction: column; gap: 1px; min-width: 0; flex: 1; overflow: hidden; }
.pcrag-source-title-row {
  display: flex; align-items: center; gap: 4px; min-width: 0;
}
.pcrag-source-title {
  font-weight: 400; font-size: 12px; color: #6d6d6d;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.pcrag-source-card:hover .pcrag-source-title { text-decoration: underline; }
.pcrag-source-arrow {
  flex-shrink: 0; width: 14px; height: 14px;
  color: var(--pcrag-muted); transition: color 0.15s, transform 0.15s;
}
.pcrag-source-card:hover .pcrag-source-arrow { color: var(--pcrag-primary); transform: translateX(2px); }
.pcrag-source-excerpt { font-size: 11.5px; color: var(--pcrag-muted); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* --- Feedback buttons --- */

.pcrag-feedback {
  display: flex; gap: 4px; margin-top: 6px; padding-top: 4px;
}
.pcrag-fb-btn {
  background: transparent; border: 1px solid var(--pcrag-border); border-radius: 6px;
  padding: 3px 8px; cursor: pointer; color: var(--pcrag-muted);
  display: flex; align-items: center; gap: 3px;
  transition: color 0.15s, border-color 0.15s;
}
.pcrag-fb-btn:hover { color: var(--pcrag-fg); border-color: var(--pcrag-fg); }
.pcrag-fb-btn:disabled { opacity: 0.5; cursor: default; }
.pcrag-fb-btn--active { color: var(--pcrag-primary); border-color: var(--pcrag-primary); }
.pcrag-fb-btn--active svg { fill: var(--pcrag-primary); }

/* --- Chips (follow-up + welcome) --- */

.pcrag-chips {
  display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px;
  align-self: flex-start;
}
.pcrag-chip {
  background: var(--pcrag-bg); border: 1px solid var(--pcrag-primary);
  color: var(--pcrag-primary); border-radius: 16px;
  padding: 5px 14px; font-size: 12.5px; cursor: pointer;
  transition: background 0.15s, color 0.15s;
  white-space: nowrap; max-width: 100%; overflow: hidden; text-overflow: ellipsis;
}
.pcrag-chip:hover { background: var(--pcrag-primary); color: var(--pcrag-primary-fg); }

/* --- Typing indicator --- */

.pcrag-typing {
  align-self: flex-start;
  display: inline-flex; gap: 4px; padding: 14px 16px;
  background: var(--pcrag-bubble-bot-bg);
  border-radius: var(--pcrag-radius); border-bottom-left-radius: 4px;
}
.pcrag-typing span { width: 7px; height: 7px; border-radius: 50%; background: var(--pcrag-muted); animation: pcrag-bounce 1.2s infinite ease-in-out; }
.pcrag-typing span:nth-child(2) { animation-delay: 0.15s; }
.pcrag-typing span:nth-child(3) { animation-delay: 0.30s; }
@keyframes pcrag-bounce {
  0%, 60%, 100% { opacity: 0.4; transform: translateY(0); }
  30%           { opacity: 1; transform: translateY(-4px); }
}

/* --- Form --- */

.pcrag-form {
  display: flex; gap: 8px; padding: 12px;
  border-top: 1px solid var(--pcrag-border);
  flex-shrink: 0;
}
.pcrag-input {
  flex: 1; padding: 10px 12px;
  border: 1px solid var(--pcrag-border); border-radius: 8px;
  font-size: 14px; background: var(--pcrag-bg); color: var(--pcrag-fg);
  font-family: inherit; resize: none; max-height: 100px;
}
.pcrag-input:focus { outline: 2px solid var(--pcrag-primary); outline-offset: -1px; }
.pcrag-input:disabled { opacity: 0.6; }

.pcrag-send {
  background: var(--pcrag-primary); color: var(--pcrag-primary-fg);
  border: none; border-radius: 8px; padding: 0 16px;
  cursor: pointer; font-weight: 600;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.pcrag-send:disabled { opacity: 0.5; cursor: not-allowed; }
.pcrag-send--icon {
  width: 40px; height: 40px; padding: 0;
  border-radius: 50%;
}
.pcrag-send--icon svg { display: block; }

/* --- Footer (powered by / trial notice) --- */

.pcrag-footer {
  padding: 6px 14px;
  background: #f6f7f7;
  border-top: 1px solid var(--pcrag-border);
  font-size: 11px;
  color: var(--pcrag-muted);
  text-align: center;
  flex-shrink: 0;
}
.pcrag-footer a { color: var(--pcrag-primary); text-decoration: none; }
.pcrag-footer a:hover { text-decoration: underline; }

/* --- Escalation card --- */

.pcrag-escalation {
  align-self: stretch;
  background: #fef9e7;
  border: 1px solid #f0d78c;
  border-radius: var(--pcrag-radius);
  padding: 12px 14px;
  text-align: center;
  font-size: 13px;
  color: #5a4b1a;
}
.pcrag-escalation p { margin: 0 0 10px; }
.pcrag-escalation-btn {
  display: inline-block;
  background: var(--pcrag-primary);
  color: var(--pcrag-primary-fg);
  padding: 8px 20px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 13px;
}
.pcrag-escalation-btn:hover { opacity: 0.9; }

/* --- Citation highlight (on target pages) --- */

.pcrag-highlight {
  background: #fef08a;
  padding: 2px 0;
  border-radius: 2px;
  transition: background 0.6s ease;
}
.pcrag-highlight--fade {
  background: transparent;
}

/* --- Mobile --- */

@media (max-width: 640px) {
  .pcrag-panel {
    width: 100vw !important; height: 100vh !important; max-height: 100vh;
    bottom: 0 !important; right: 0 !important; left: 0 !important;
    border-radius: 0; border: none;
  }
  .pcrag-button { bottom: 16px; }
  .pcrag-root[data-position="bottom-right"] .pcrag-button { right: 16px; }
  .pcrag-root[data-position="bottom-left"]  .pcrag-button { left: 16px; }
}

/* ── Small mobile fixes ── */
@media (max-width: 480px) {
  .pcrag-panel {
    width: 100vw !important;
    height: 100vh !important;
    max-height: 100vh !important;
    bottom: 0 !important;
    right: 0 !important;
    left: 0 !important;
    border-radius: 0 !important;
    max-width: none !important;
  }
  .pcrag-panel .pcrag-header {
    border-radius: 0;
  }
  .pcrag-messages {
    max-height: calc(100vh - 130px) !important;
  }
  .pcrag-input {
    font-size: 16px !important; /* Prevents iOS zoom on focus */
  }
  .pcrag-button {
    bottom: 12px !important;
    right: 12px !important;
    width: 52px !important;
    height: 52px !important;
  }
}

/* Touch targets minimum 44px */
.pcrag-send,
.pcrag-close,
.pcrag-button {
  min-width: 44px;
  min-height: 44px;
}

/* Retry button styling */
.pcrag-retry-btn {
  display: inline-block;
  margin-top: 8px;
  padding: 4px 16px;
  background: var(--pcrag-primary, #2271b1);
  color: #fff;
  border: none;
  border-radius: 4px;
  font-size: 13px;
  cursor: pointer;
}
.pcrag-retry-btn:hover {
  opacity: 0.9;
}

/* Offline banner */
.pcrag-offline-banner {
  background: #fef3c7;
  color: #92400e;
  text-align: center;
  padding: 6px;
  font-size: 12px;
  font-weight: 600;
}

/* Setup hint styling */
.pcrag-setup-hint {
  background: #f0f9ff !important;
  border: 1px dashed #93c5fd !important;
  color: #1e40af !important;
}
.pcrag-setup-hint small {
  color: #6b7280;
  display: block;
  margin-top: 4px;
}

/* --- Dark theme (matches pagecoder.ai rag-chat product page demo) --- */

.pcrag-root.pcrag-theme-dark {
  --pcrag-bg: #1a1a22;
  --pcrag-fg: #e7e7ee;
  --pcrag-muted: #9ea0ab;
  --pcrag-border: rgba(255, 255, 255, 0.08);
  --pcrag-bubble-bot-bg: rgba(255, 255, 255, 0.05);
  --pcrag-bubble-bot-fg: #e7e7ee;
  --pcrag-shadow: 0 20px 50px rgba(0, 0, 0, 0.55);
}
.pcrag-theme-dark .pcrag-panel {
  background: var(--pcrag-bg);
  color: var(--pcrag-fg);
  border: 1px solid var(--pcrag-border);
}
.pcrag-theme-dark .pcrag-msg code { background: rgba(255, 255, 255, 0.08); }
.pcrag-theme-dark .pcrag-msg pre { background: #0f0f16; color: #e7e7ee; }
.pcrag-theme-dark .pcrag-msg th { background: rgba(255, 255, 255, 0.04); }
.pcrag-theme-dark .pcrag-form {
  background: #16161e;
  border-top: 1px solid var(--pcrag-border);
}
.pcrag-theme-dark .pcrag-input {
  background: rgba(255, 255, 255, 0.04);
  color: var(--pcrag-fg);
  border-color: var(--pcrag-border);
}
.pcrag-theme-dark .pcrag-input::placeholder { color: rgba(231, 231, 238, 0.35); }
.pcrag-theme-dark .pcrag-footer {
  background: #14141b;
  color: rgba(231, 231, 238, 0.45);
  border-top: 1px solid var(--pcrag-border);
}
.pcrag-theme-dark .pcrag-footer a { color: var(--pcrag-primary); }
.pcrag-theme-dark .pcrag-source-card {
  background: rgba(255, 255, 255, 0.03);
  color: var(--pcrag-fg);
  border-color: var(--pcrag-border);
}
.pcrag-theme-dark .pcrag-source-card:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--pcrag-primary);
}
.pcrag-theme-dark .pcrag-source-title { color: rgba(231, 231, 238, 0.8); }
.pcrag-theme-dark .pcrag-chip {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.18);
  color: var(--pcrag-fg);
}
.pcrag-theme-dark .pcrag-chip:hover {
  background: var(--pcrag-primary);
  color: var(--pcrag-primary-fg);
  border-color: var(--pcrag-primary);
}
.pcrag-theme-dark .pcrag-fb-btn { border-color: var(--pcrag-border); color: var(--pcrag-muted); }
.pcrag-theme-dark .pcrag-fb-btn:hover { color: var(--pcrag-fg); border-color: var(--pcrag-fg); }
.pcrag-theme-dark .pcrag-setup-hint {
  background: rgba(147, 197, 253, 0.08) !important;
  border-color: rgba(147, 197, 253, 0.4) !important;
  color: #bfdbfe !important;
}
.pcrag-theme-dark .pcrag-setup-hint small { color: rgba(231, 231, 238, 0.55); }
.pcrag-theme-dark .pcrag-offline-banner { background: #3a2a0a; color: #fcd34d; }
.pcrag-theme-dark .pcrag-notice { background: #2a1414; color: #fca5a5; border-bottom-color: rgba(252, 165, 165, 0.2); }

@media (prefers-reduced-motion: reduce) {
  .pcrag-button { transition: none; }
  .pcrag-typing span { animation: none; opacity: 0.7; }
}